(X^4-x^2+6-x^4)/x^2-1*(1+x)/6-x^2=(6-x^2/(x-1)(x+1)*(1+x)/(6-x^2)=1/(x-1)
<span>16-y^2 = (4-y)*(4+y)
</span><span>1/8km^3 +kn^3 = k*(1/2m+n)*(1/4m^2-1/2mn+n^2)</span>
Решите уравнение: 2arcsin(5x-1)=-π/2
arcsin(5x-1)=-π/4
(5x-1)=sin(-π/4)
(5x-1)=-(√2)/2
x=(1-(√2)/2)/5=(2-√2)/10